72365134 has 4 divisors (see below), whose sum is σ = 108547704. Its totient is φ = 36182566.

The previous prime is 72365113. The next prime is 72365143. The reversal of 72365134 is 43156327.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 72365096 and 72365105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18091282 + ... + 18091285.

It is an arithmetic number, because the mean of its divisors is an integer number (27136926).

Almost surely, 2^72365134 is an apocalyptic number.

72365134 is a deficient number, since it is larger than the sum of its proper divisors (36182570).

72365134 is a wasteful number, since it uses less digits than its factorization.

72365134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36182569.

The product of its digits is 15120, while the sum is 31.

The square root of 72365134 is about 8506.7698922682. The cubic root of 72365134 is about 416.7188285274.

The spelling of 72365134 in words is "seventy-two million, three hundred sixty-five thousand, one hundred thirty-four".